Service and Parts Manual (2018, 2019, 2020, 2021, 2022)
Table Of Contents
- INTRODUCTION
- Important Safety Information
- Personal Injury Or Death Hazards
- Operation of Equipment in During Construction
- Typical Unit Components and Dimensions
- Model Number Reference Guide
- Serial Number Reference Guide
- Product Features
- General Specifications 9-12k Heat Pump Models
- Electrical Data
- Function and Control
- Buttons and Display
- Temperature Definition
- System Basic Function
- 1) Cooling Mode
- 2) Heating Mode
- 3) Room Freeze Protection (AUTO HEATING)
- 4) Temperature Sensor Open Circuit or Short Circuit Protection
- 5) Power cut protection
- 6) Compressor and DC-inverter features
- 7) Smart fresh air system
- Advanced Functions
- Advanced Settings
- Memory Function
- FD Control (front-desk control) & 24V REMOTE THERMOSTAT
- Protection Functions
- System Configuration Fresh Air Vent Control
- Digital Control User Input Configuration
- Settings- Detailed Configurations
- Refrigeration Sequence Of Operation
- Refrigerant System Diagram
- PTAC Installation Recommendations
- Wall Sleeve Installation Instructions (PDXWS)
- Alternate Wall Installations
- PXDR10 Drain Kit Installation
- External Drain
- PXGA Standard Grille
- Chassis Install
- Remote Control Thermostat Installation
- Front Desk Control Terminal
- Final Inspection & Start-up Checklist
- Remove Chassis
- Remove User Interface
- Open Electrical Control Box
- Remove Main PCB (logic) Board
- Remove Power Cord
- Remove Power PCB
- Remove IPM PCB (Inverter Board)
- Remove Blower Wheel (Inside Fan)
- Remove Blower Wheel Motor (Inside Fan)
- Remove Heating Element
- Remove Freshaire Components
- Remove Outdoor Fan
- Remove Reversing valve Solenoid
- Refrigerant Charging
- Undercharged Refrigerant Systems
- Overcharged Refrigerant Systems
- Restricted Refrigerant System
- Sealed System Method of Charging/ Repairs
- Hermetic Components Check
- Reversing Valve Description And Operation
- Testing The Reversing Valve Solenoid Coil
- Checking The Reversing Valve
- Touch Test Chart : To Service Reversing Valves
- Compressor Checks
- Compressor Replacement
- Compressor Replacement -Special Procedure in Case of Compressor Burnout
- Check Indoor Fan Motor
- Check Outdoor Fan Motor
- Check Fan Motor Capacitors
- Main PCB (logic) Board Connector Identification
- Power PCB (Power Board) Connector Identification
- Basic Troubleshooting
- Error code and solutions
- Unit Does Not Operate
- Check Electric Heater Control
- Check Thermistors
- Check Thermistors -Resistance Table of Thermistors (5K)
- Check Thermistors -Resistance Table of Thermistors (50K)(Compressor Discharge Sensor)
- PARTS CATALOG
3 PB
Remove Reversing valve Solenoid 64
R-410A SEALED SYSTEM REPAIR 65
Refrigerant Charging 66
Undercharged Refrigerant Systems 67
Overcharged Refrigerant Systems 68
Restricted Refrigerant System 69
Sealed System Method of Charging/ Repairs 70
COMPONENT TESTING 71
Hermetic Components Check 71
Reversing Valve Description And Operation 72
Testing The Reversing Valve Solenoid Coil 73
Checking The Reversing Valve 74
Touch Test Chart : To Service Reversing Valves 76
Compressor Checks 77
Compressor Replacement 79
Compressor Replacement -Special Procedure in Case of Compressor Burnout 80
Check Indoor Fan Motor 81
Check Outdoor Fan Motor 81
Check Fan Motor Capacitors 82
Main PCB (logic) Board Connector Identication 83
Power PCB (Power Board) Connector Identication 84
TROUBLESHOOTING 85
Basic Troubleshooting 85
Error code and solutions 87
Unit Does Not Operate 89
Check Electric Heater Control 92
Check Thermistors 93
Check Thermistors -Resistance Table of Thermistors (5K) 94
Check Thermistors -Resistance Table of Thermistors (50K)(Compressor Discharge Sensor) 96
WIRING DIAGRAMS 98
PARTS CATALOG 100
PVH09K3FA, PVH09K3FB, PVH09R3FA, PVH09R3FB 101
PVH12K3FA, PVH12K3FB, PVH12R3FA, PVH12R3FB 101
ACCESSORIES 106
APPENDIX 108
Reference Sheet of Celsius and Fahrenheit 108
WARRANTY 109
FRIEDRICH AUTHORIZED PARTS DEPOTS 110
TABLE OF CONTENTS